18789588

素因数分解:

$2^2\times 3^2\times {\mathrm{491}}^1\times {\mathrm{1063}}^1$

素因数の和:1564

約数の個数: 36

約数和(自身を含む): 47637408

約数和(自身を除く): 28847820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 491, 982, 1063, 1473, 1964, 2126, 2946, 3189, 4252, 4419, 5892, 6378, 8838, 9567, 12756, 17676, 19134, 38268, 521933, 1043866, 1565799, 2087732, 3131598, 4697397, 6263196, 9394794, 18789588]

約数ペア:

[(1, 18789588), (2, 9394794), (3, 6263196), (4, 4697397), (6, 3131598), (9, 2087732), (12, 1565799), (18, 1043866), (36, 521933), (491, 38268), (982, 19134), (1063, 17676), (1473, 12756), (1964, 9567), (2126, 8838), (2946, 6378), (3189, 5892), (4252, 4419)]